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Dithianon water-dispersion granule

A technology of dicyananthraquinone and disperse particles is applied in the field of pesticides, which can solve problems such as harm to human health and environmental pollution, and achieve the effects of improving utilization rate, reducing cost and enhancing permeability.

Inactive Publication Date: 2009-08-05
SHAANXI MEIBANG PHARMA GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to develop an environmentally friendly, high utilization rate, and easy-to-use dicyanoanthraquinone water-dispersible granule in order to overcome the problems of environmental pollution, harm to human health and product performance stability in the prior art.

Method used

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  • Dithianon water-dispersion granule
  • Dithianon water-dispersion granule

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Embodiment 1 20% dicyanoanthraquinone water dispersible granule

[0020] Dicyanoanthraquinone technical 20%, wetting and penetrating agent T4%, polycarboxylate 5%, urea 3%, cross-linked polyvinylpyrrolidone 2%, starch 20%, kaolin 46%, mixed to prepare 20% dicyanoanthraquinone Anthraquinone water dispersible granules.

Embodiment 2

[0021] Embodiment 2 31% dicyanoanthraquinone water-dispersible granules

[0022] Dicyananthraquinone technical 31%, sodium lauryl sulfate 4%, lignosulfonate 3%, naphthalenesulfonic acid formaldehyde condensate sodium salt 5%, ammonium sulfate 4%, cross-linked polyvinylpyrrolidone 2%, Light calcium carbonate 15%, starch 36%, the mixture is jet milled to obtain 31% dicyanoanthraquinone water dispersible granules.

Embodiment 3

[0023] Embodiment 3 40% dicyanoanthraquinone water-dispersible granules

[0024] Dicyananthraquinone technical 40%, wetting and penetrating agent T3%, sodium lignosulfonate 8%, tributyl phosphate 1.5%, ammonium sulfate 4%, polyethylene glycol 0.5%, kaolin 10%, diatom Soil 33%. Prepare 40% dicyanoanthraquinone water dispersible granules.

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Abstract

The invention belongs to the technical field of pesticide, and discloses a dithianon water-dispersible granule. The granule comprises the following components in percentage by mass: 20 to 80 percent of dithianon, 3 to 12 percent of wetting agent, 3 to 12 percent of dispersant, 2 to 10 percent of disintegrant, 0.1 to 5 percent of binder and 5 to 72 percent of filler. The components are mixed pro rata, stirred well and then ground so as to give mother powder; the mother powder is well mixed with the binder; and then the mixture is granulated, dried and sieved so as to prepare the dithianon water-dispersible granule. The granule has the advantages of overcoming the disadvantages of suspending agents and wettable powder and reducing pollution on environment, and is mainly used for controlling fruit-tree scab, leaf spot, alternaria leaf spot, vegetable anthracnose and downy mildew.

Description

Technical field: [0001] The invention belongs to the technical field of pesticides, and in particular relates to a water-dispersible granule of dicyanoanthraquinone used for preventing and treating fruit tree scab, leaf spot, spot defoliation, vegetable anthracnose and downy mildew. Background technique: [0002] Dicyanoanthraquinone (dithianon) is a fungicide developed by BASF Europe, and its pure product is a dark brown crystalline solid. Molecular formula is C 14 h 4 N 2 o 2 S 2 , the chemical name is: 2,3-dicyano-1,4-dithioanthraquinone, and the structural formula is: [0003] [0004] Dicyanoanthraquinone has multiple action mechanisms. It inhibits a series of fungi and molds by reacting with sulfur-containing groups and interfering with cell respiration, and finally leads to the death of diseases. It has good protective activity and certain therapeutic activity. For the control of all fruit tree diseases such as scab, mildew, leaf spot, rust, anthracnose, down...

Claims

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Application Information

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IPC IPC(8): A01N43/32A01N25/14A01P3/00
Inventor 张少武张继红曹巧利
Owner SHAANXI MEIBANG PHARMA GRP CO LTD
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